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Author:

Wang, Weiqi (Wang, Weiqi.) | Yang, Xiaokuan (Yang, Xiaokuan.) | Zhang, Wanchao (Zhang, Wanchao.)

Indexed by:

EI Scopus

Abstract:

Traditionally, a signalized intersection capacity can't be discussed without putting signal timing into consideration. In general, signal timing includes determination of cycle length, number of phases, green interval, yellow time and all red. A result capacity varies with changing of parameters in signal timing. This is the traditional way of estimating capacity, named timing-based capacity calculation approach. However, at the planning stage, if planners or decision makers want to find out the future conditions of the network they have planned, they need to evaluate the performance in terms of v/c ratio because of undetermined capacity of intersection. A new concept of so-called 'equilibrium-right-of-way based capacity' is introduced in this paper to overcome this difficulty. This capacity is purely based on the geometrics of an intersection (number of lane and lane allocation) rather than the signalization. The purpose for introducing this concept is to assume capacity of an intersection to be a sole value when the geometrics of the intersection are set. Uniqueness of capacity for interrupted flow facility should be the key of capacity studies. With this concept, capacity formula based upon the equilibrium-right-of-way is developed to estimate the capacity of signalized intersections. The result from this study is great significance for the development of capacity analysis, particularly for the interrupted flow facilities. © 2012 American Society of Civil Engineering.

Keyword:

Multimodal transportation Traffic control Cost effectiveness Rights of way Decision making Traffic signals

Author Community:

  • [ 1 ] [Wang, Weiqi]Transportation Research Center, Beijing University of Technology, Beijing, China
  • [ 2 ] [Yang, Xiaokuan]Transportation Research Center, Beijing University of Technology, Beijing, China
  • [ 3 ] [Zhang, Wanchao]Transportation Research Center, Beijing University of Technology, Beijing, China

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Source :

Year: 2012

Page: 794-804

Language: English

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 11

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